Home / 8,168.48-11,259.40-5,511.27

Finding the Fourth Proportional to 8,168.48, 11,259.40 and 5,511.27

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Solution

The fourth proportional to 8,168.48, 11,259.40 and 5,511.27 is: 7,596.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.48 : 11,259.40 = 5,511.27 : x
  2. Step 2: Convert to fraction form
    8,168.48/11,259.40 = 5,511.27/x
  3. Step 3: Cross multiply
    8,168.48x = 11,259.40 × 5,511.27
  4. Step 4: Simplify right side
    8,168.48x = 62,053,593.44
  5. Step 5: Solve for x
    x = 62,053,593.44/8,168.48
  6. Step 6: Final answer
    x = 7,596.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.